package com.apex.interceptor;


import com.apex.utils.UserHolder;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * @ClassName LoginInterceptor
 * @Description
 * @Author ZJX
 * @Date 2025/2/7 15:54
 * @Version 1.0
 **/
public class LoginInterceptor implements HandlerInterceptor{

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 1.判断是否需要拦截（ThreadLocal中是否有用户）
        if (UserHolder.getUser() == null) {
            // 没有，需要拦截，设置状态码
            response.setStatus(401);
            // 拦截
            return false;
        }
        // 有用户，则放行
        return true;
    }

}
